{"version":"2.1.238","anchor":"hook-callbacks-remember-which-host-created-them","canonical_anchor":"hook-callbacks-remember-which-host-created-them","heading":"Hook callbacks remember which host created them","tier":"internal","area":"Hooks","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.238\/e\/hook-callbacks-remember-which-host-created-them","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.238","markdown":"### Hook callbacks remember which host created them\n\nHook callbacks tied to a replaced SDK host now answer from a stored result instead of hanging.\n\n**What**\n\nEach hook callback records which generation of the SDK host it belongs to. If that host has since been replaced and a retirement answer is on file, the callback answers from that instead of sending a request to a host that is no longer listening.\n\n**Evidence**\n\n`retiredHostHookAnswer`\n\n- Area: Hooks\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 3\/5"}